CENTRIFUGAL BOX WITH EXTERNAL ROTOR EC MOTOR
MANUFACTURING FEATURES
• Inline ventilation box made of galvanized steel for duct connection.
• Plug-type fan with self-cleaning impeller with back curved blades (backward), high performance and single inlet, direct driven. Dynamically balanced to minimize noise and vibration. Polyamide reinforced impeller for models 155 and 190 and aluminum impellers for the rest.
• High efficiency (IE5), low noise external rotor EC motor. Speed control through a 0-10V or PWM signal. Single-phase 110V 50/60Hz power supply. IP54 motor and class B insulation.
• The box is supplied with a safety switch with potentiometer for a total regulation
• Circular suction mouth to facilitate duct connection. Open outlet.
APPLICATIONS
Designed for duct installation, they are indicated for:
- Air renewals in simple flow residential, commercial and controlled mechanical ventilation (CMV) applications.
Working temperature range from -20ºC to 60ºC.
UNDER REQUEST
• Fan (size 250) with k-factor reading.